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/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
package org.apache.qpid.test.framework;

import javax.jms.*;

/**
 * A CircuitEnd is a pair consisting of one message producer and one message consumer, that represents one end of a
 * test circuit. It is a standard unit of connectivity allowing a full-duplex conversation to be held, provided both
 * the consumer and producer are instantiated and configured.
 *
 * <p/><table id="crc"><caption>CRC Card</caption>
 * <tr><th> Responsibilities
 * <tr><td> Provide a message producer for sending messages.
 * <tr><td> Provide a message consumer for receiving messages.
 * </table>
 *
 * @todo Update the {@link org.apache.qpid.test.utils.ConversationFactory} so that it accepts these as the basic conversation
 *       connection units.
 */
public interface CircuitEnd
{
    /**
     * Gets the message producer at this circuit end point.
     *
     * @return The message producer at with this circuit end point.
     */
    public MessageProducer getProducer();

    /**
     * Gets the message consumer at this circuit end point.
     *
     * @return The message consumer at this circuit end point.
     */
    public MessageConsumer getConsumer();

    /**
     * Send the specified message over the producer at this end point.
     *
     * @param message The message to send.
     *
     * @throws JMSException Any JMS exception occuring during the send is allowed to fall through.
     */
    public void send(Message message) throws JMSException;

    /**
     * Gets the JMS Session associated with this circuit end point.
     *
     * @return The JMS Session associated with this circuit end point.
     */
    public Session getSession();

    /**
     * Closes the message producers and consumers and the sessions, associated with this circuit end point.
     *
     * @throws JMSException Any JMSExceptions occurring during the close are allowed to fall through.
     */
    public void close() throws JMSException;

    /**
     * Returns the message monitor for reporting on received messages on this circuit end.
     *
     * @return The message monitor for this circuit end.
     */
    public MessageMonitor getMessageMonitor();

    /**
     * Returns the exception monitor for reporting on exceptions received on this circuit end.
     *
     * @return The exception monitor for this circuit end.
     */
    public ExceptionMonitor getExceptionMonitor();
}